Blues legend John Mayall founded one of the most influential rock bands of the 20th Century. John talks with Marc about ushering musicians like Eric Clapton, Peter Green, and John McVie through his band, giving birth to Fleetwood Mac and using music to get himself through the Korean War. Plus, Dan Pashman, host of The Sporkful podcast, stops by to argue with Marc about cereal. This episode is sponsored by the new film Steve Jobs, Chipotle and MeUndies.